> For the complete documentation index, see [llms.txt](https://docs.geopard.tech/geopard-tutorials/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.geopard.tech/geopard-tutorials/ar/wthaeq-wajhh-brmjh-alttbyqat/nzrh-aamh-ala-tlbat-wajhh-brmjh-ttbyqat-geopard/90.-astalam-alhswl-ala-byanat-swr-alaqmar-alsnaayh-hsb-alhndsh.md).

# 90. استعلام: الحصول على بيانات صور الأقمار الصناعية حسب الهندسة

استرجاع إحصاءات مؤشر الغطاء النباتي لأي شكل هندسي مخصص - **لا يلزم وجود حد حقل مسجل**. يقوم هذا الطرف النهائي بحساب إحصاءات الملخص للبكسلات داخل الشكل الهندسي الخاص بك بينما **تجاهل البكسلات المغيمة**. مدعوم حاليًا على **سينتينل-2 (S2)** , **لاندسات (L4/L5/L7/L8/L9)** و **بلانيت (PS)** مزودين.

{% hint style="danger" %}
تتبع هذه الصفحة أنماط واجهة برمجة تطبيقات GeoPard و [المصادقة](https://docs.geopard.tech/geopard-tutorials/api-docs/authorization-apikey-credentials-or-oauth-2.0) المستخدمة عبر نقاط نهاية GraphQL.
{% endhint %}

## ما يمكنك فعله

* استعلام **مؤشرات الغطاء النباتي** لـ **نقاط، متعدد النقاط، مضلع، ومتعدد المضلعات** الأشكال الهندسية.
* اختر صورًا/تصويرًا **المزودين**: `S2`, `L4`, `L5`, `L7`, `L8`, `L9`, `PS`.&#x20;
* احصل على **نتائج موسومة بالتاريخ** لكل اكتساب مع:
  * `خالية من السحب` - نسبة الشكل الهندسي الخاص بك الخالية من السحب، نطاق القيم من 0 إلى 1، حيث 1 يعني خالية تمامًا من السحب.
  * `value` - إحصاءات للمؤشر المحدد محسوبة **فقط** على البكسلات الخالية من السحب، يتضمن `min`, `max`, `avg`, `mdn`, `var`, `std`.
* اختياريًا قدّم **نطاقات** مصفوفة من نطاقات قيم المؤشر لحساب إحصاءات التغطية. عند التقديم، سيتضمن الرد حقلًا `نطاقات` يبين النسبة المئوية للمساحة التي تقع ضمن كل نطاق محدد.
  * **المساحة المحتلة بكل لون/نطاق** - استنادًا إلى قيمة المؤشر (من منخفض إلى مرتفع)
  * **نسبة التغطية** - قيمة من 0..1 لكل نطاق تمثل نسبة السطح

## المؤشرات المدعومة

`EVI2`, `NDVI`, `RVI`, `LAI`, `OSAVI`, `SAVI`, `GNDVI`, `IPVI`, `GCI`, `WDRVI`, `RCI`, `SBI`, `MCARI1`. تتبع تعريفات المؤشرات كتالوج مؤشرات الغطاء النباتي الخاص بـ GeoPard [كتالوج مؤشرات الغطاء النباتي](https://docs.geopard.tech/geopard-tutorials/product-tour-web-app/satellite-monitoring/indices-for-crops-and-soils#vegetation-indices) المستخدم في جميع أنحاء واجهة برمجة التطبيقات.

### معاملات الإدخال

<table><thead><tr><th width="119.93487548828125">الحقل</th><th width="171.1700439453125">النوع</th><th width="105.841064453125">مطلوب</th><th>ملاحظات</th></tr></thead><tbody><tr><td><code>المؤشر</code></td><td>قيمة تعداد (انظر أعلاه)</td><td>✅</td><td>مؤشر الغطاء النباتي الذي سيتم حسابه.</td></tr><tr><td><code>المزودين</code></td><td><code>[مزود!]!</code></td><td>✅</td><td>أي من <code>S2</code>, <code>L4</code>, <code>L5</code>, <code>L7</code>, <code>L8</code>, <code>L9</code>, <code>PS</code>.</td></tr><tr><td><code>startDate</code></td><td><code>سلسلة نصية (ISO8601)</code></td><td>✅</td><td>بداية شاملة، على سبيل المثال <code>"2025-05-10T00:00:00.000Z"</code>.</td></tr><tr><td><code>endDate</code></td><td><code>سلسلة نصية (ISO8601)</code></td><td>✅</td><td>نهاية حصرية أو نهاية شاملة حسب المخطط؛ طابق استعلامات GeoPard الأخرى الخاصة بك.</td></tr><tr><td><code>geojson</code></td><td><code>سلسلة نصية</code></td><td>✅</td><td>A <strong>GeoJSON محول إلى نص</strong> من النوع <code>نقطة</code> / <code>متعدد النقاط</code> / <code>مضلع</code> / <code>MultiPolygon</code> (WGS84 <code>[خط طول، خط عرض]</code>). تذكر هروب علامات الاقتباس داخل السلسلة.</td></tr><tr><td><code>نطاقات</code></td><td>[<code>[Float!]!]</code></td><td><strong>❌</strong></td><td>مصفوفة من <code>[min, max]</code> أزواج من نطاقات قيم المؤشر لحساب إحصاءات التغطية</td></tr></tbody></table>

## **إرشادات الأداء**

* بالنسبة للأشكال الهندسية من نوع مضلع/متعدد المضلعات، احتفظ بنطاقات التواريخ ضيقة (**\~10–15 يومًا**) بسبب وقت المعالجة.
* **مهلة:** 30 ثانية. استخدم أيامًا أقل و/أو مزودين أقل إذا وصلت إلى الحد.
* بالنسبة للنقطة/متعدد النقاط، النطاقات الأكبر عادةً ما تكون مقبولة (النقاط خفيفة الوزن).

## شكل الاستجابة

```graphql
graphqlنسختحرير{
  geojson              # صدى للشكل الهندسي الذي أدخلته (محول إلى نص)
  data: [
    {
      uuid             # معرف مشهد الراستر
      provider         # S2، L8، L9، ...
      acquisitionDate  # ISO8601
      cloudfree        # نسبة من 0..1 للمنطقة الخالية من السحب
      value: {
        index          # على سبيل المثال، NDVI
        min
        max
        avg
        mdn
        var
        std
      }
      ranges: {
        value
        coverage
      }
    }
  ]
}
```

## مثال 1: متعدد المضلعات مع MCARI1 على S2/L8/L9 ضمن نافذة 5 أيام

### طلب

```graphql
استعلام GetSatelliteImageryDataByMultiPolygon {
  getSatelliteImageryDataByGeometry(
    input: {
      index: MCARI1                # ضع المؤشر هنا
      providers: [S2, L8, L9]      # مزودو الأقمار الصناعية
      startDate: "2025-05-10T00:00:00.000Z"  # للمضلعات: يُفضل 10–15 يومًا؛ مهلة 30 ثانية
      endDate:   "2025-05-15T00:00:00.000Z"
      geojson: "{\"type\": \"MultiPolygon\", \"coordinates\":[ [ [ [ 8.09058546, 50.21774961 ], [ 8.09291004, 50.21836077 ], [ 8.09328559, 50.21844893 ], [ 8.09341412, 50.21777585 ], [ 8.09342329, 50.21768228 ], [ 8.09342736, 50.21748691 ], [ 8.09342239, 50.21741988 ], [ 8.09331503, 50.2169872 ], [ 8.09327725, 50.21680672 ], [ 8.0932114, 50.21679383 ], [ 8.09307662, 50.216784 ], [ 8.09268795, 50.21672443 ], [ 8.09256905, 50.21670175 ], [ 8.09160986, 50.21647789 ], [ 8.09153097, 50.21647138 ], [ 8.09144745, 50.216479 ], [ 8.09128792, 50.21653615 ], [ 8.09124139, 50.21654808 ], [ 8.09119362, 50.21655407 ], [ 8.09085379, 50.21653536 ], [ 8.09039423, 50.21649463 ], [ 8.09006609, 50.21646137 ], [ 8.08994025, 50.21644261 ], [ 8.08956206, 50.21636986 ], [ 8.08937343, 50.21632184 ], [ 8.08881276, 50.21616093 ], [ 8.08860924, 50.21608589 ], [ 8.08848952, 50.21605007 ], [ 8.08841856, 50.21616403 ], [ 8.08836721, 50.2162167 ], [ 8.08830625, 50.21626762 ], [ 8.08801583, 50.21648103 ], [ 8.08783363, 50.21660479 ], [ 8.08757577, 50.21677569 ], [ 8.08741435, 50.21686857 ], [ 8.08769592, 50.21696741 ], [ 8.08853411, 50.21720846 ], [ 8.08965086, 50.2174967 ], [ 8.09058546, 50.21774961 ] ] ] ]}"
    }
  ) {
    geojson
    data {
      uuid
      provider
      acquisitionDate
      cloudfree     # 0..1
      value {       # الإحصاءات المحسوبة على بكسلات خالية من السحب فقط
        المؤشر
        min
        max
        avg
        mdn
        var
        std
      }
    }
  }
}
```

### الاستجابة

```json
{
  "data": {
    "getSatelliteImageryDataByGeometry": {
      "geojson": "\"{\\\"type\\\": \\\"MultiPolygon\\\", \\\"coordinates\\\": [[[[8.09058546, 50.21774961], [8.09291004, 50.21836077], [8.09328559, 50.21844893], [8.09341412, 50.21777585], [8.09342329, 50.21768228], [8.09342736, 50.21748691], [8.09342239, 50.21741988], [8.09331503, 50.2169872], [8.09327725, 50.21680672], [8.0932114, 50.21679383], [8.09307662, 50.216784], [8.09268795, 50.21672443], [8.09256905, 50.21670175], [8.09160986, 50.21647789], [8.09153097, 50.21647138], [8.09144745, 50.216479], [8.09128792, 50.21653615], [8.09124139, 50.21654808], [8.09119362, 50.21655407], [8.09085379, 50.21653536], [8.09039423, 50.21649463], [8.09006609, 50.21646137], [8.08994025, 50.21644261], [8.08956206, 50.21636986], [8.08937343, 50.21632184], [8.08881276, 50.21616093], [8.08860924, 50.21608589], [8.08848952, 50.21605007], [8.08841856, 50.21616403], [8.08836721, 50.2162167], [8.08830625, 50.21626762], [8.08801583, 50.21648103], [8.08783363, 50.21660479], [8.08757577, 50.21677569], [8.08741435, 50.21686857], [8.08769592, 50.21696741], [8.08853411, 50.21720846], [8.08965086, 50.2174967], [8.09058546, 50.21774961]]]]}\"",
      "data": [
        {
          "uuid": "16c45077-3138-5a9a-9947-d9e54ea77e38",
          "provider": "S2",
          "acquisitionDate": "2025-05-13T10:37:03.661000+00:00",
          "cloudfree": 1,
          "value": {
            "index": "MCARI1",
            "min": 3026.88,
            "max": 6452.881,
            "avg": 5020.917,
            "mdn": 5086.56,
            "var": 437905.281,
            "std": 661.744
          }
        },
        {
          "uuid": "cf5d9e51-c0db-5e02-bf97-35c3e7a0fe07",
          "provider": "S2",
          "acquisitionDate": "2025-05-13T10:47:13.154000+00:00",
          "cloudfree": 1,
          "value": {
            "index": "MCARI1",
            "min": 3441.96,
            "max": 6722.04,
            "avg": 5333.138,
            "mdn": 5403.36,
            "var": 372277.75,
            "std": 610.146
          }
        },
        {
          "uuid": "de9b6b8a-a195-5694-98a0-f17e8122855d",
          "provider": "S2",
          "acquisitionDate": "2025-05-11T10:47:17.500000+00:00",
          "cloudfree": "0.5547445255474452",
          "value": {
            "index": "MCARI1",
            "min": 3438.96,
            "max": 6495.96,
            "avg": 5176.501,
            "mdn": 5181,
            "var": 377633.031,
            "std": 614.519
          }
        },
        {
          "uuid": "917b3657-3ddc-5f43-b39f-5d8493282bde",
          "provider": "S2",
          "acquisitionDate": "2025-05-10T10:37:15.656000+00:00",
          "cloudfree": 1,
          "value": {
            "index": "MCARI1",
            "min": 3395.88,
            "max": 6272.881,
            "avg": 4975.816,
            "mdn": 4999.56,
            "var": 333405.031,
            "std": 577.412
          }
        },
        {
          "uuid": "3fc7ed30-677a-5430-a10b-3490d903616c",
          "provider": "L8",
          "acquisitionDate": "2025-05-12T10:21:17.302000+00:00",
          "cloudfree": 1,
          "value": {
            "index": "MCARI1",
            "min": 3171.24,
            "max": 5361,
            "avg": 4227.754,
            "mdn": 4267.68,
            "var": 261266,
            "std": 511.142
          }
        },
        {
          "uuid": "f3d1bd32-e3c8-5260-ba4c-d84c6a171986",
          "provider": "L9",
          "acquisitionDate": "2025-05-13T10:15:17.115000+00:00",
          "cloudfree": 1,
          "value": {
            "index": "MCARI1",
            "min": 3353.52,
            "max": 5451.72,
            "avg": 4428.534,
            "mdn": 4491.48,
            "var": 306042.719,
            "std": 553.211
          }
        }
      ]
    }
  }
}
```

## مثال 2: متعدد النقاط مع NDVI على S2/L8/L9 على مدى نافذة 5 أيام

### طلب

```graphql
استعلام GetSatelliteImageryDataByMultiPoint {
  getSatelliteImageryDataByGeometry(
    input: {
      providers: [S2, L8, L9]
      المؤشر: NDVI
      startDate: "2025-05-10T00:00:00.000Z"   # النقاط خفيفة؛ نوافذ أكبر مقبولة؛ مهلة 30 ثانية
      endDate:   "2025-05-15T00:00:00.000Z"
      geojson: "{\"type\": \"MultiPoint\", \"coordinates\": [[8.088754, 50.216859],[8.092651, 50.216905],[ 8.090799, 50.217442]]}"
    }
  ) {
    geojson
    data {
      uuid
      provider
      acquisitionDate
      خالية من السحب
      value {
        المؤشر
        min
        max
        avg
        mdn
        var
        std
      }
    }
  }
}
```

### الاستجابة

```json
{
  "data": {
    "getSatelliteImageryDataByGeometry": {
      "geojson": "\"{\\\"type\\\": \\\"MultiPoint\\\", \\\"coordinates\\\": [[8.088754, 50.216859], [8.092651, 50.216905], [8.090799, 50.217442]]}\"",
      "data": [
        {
          "uuid": "cf5d9e51-c0db-5e02-bf97-35c3e7a0fe07",
          "provider": "S2",
          "acquisitionDate": "2025-05-13T10:47:13.154000+00:00",
          "cloudfree": 1,
          "value": {
            "index": "NDVI",
            "min": 0.712,
            "max": 0.873,
            "avg": 0.815,
            "mdn": 0.824,
            "var": 0.002,
            "std": 0.041
          }
        },
        {
          "uuid": "16c45077-3138-5a9a-9947-d9e54ea77e38",
          "provider": "S2",
          "acquisitionDate": "2025-05-13T10:37:03.661000+00:00",
          "cloudfree": 1,
          "value": {
            "index": "NDVI",
            "min": 0.642,
            "max": 0.856,
            "avg": 0.779,
            "mdn": 0.794,
            "var": 0.003,
            "std": 0.055
          }
        },
        {
          "uuid": "de9b6b8a-a195-5694-98a0-f17e8122855d",
          "provider": "S2",
          "acquisitionDate": "2025-05-11T10:47:17.500000+00:00",
          "cloudfree": "0.6363636363636364",
          "value": {
            "index": "NDVI",
            "min": 0.762,
            "max": 0.857,
            "avg": 0.826,
            "mdn": 0.83,
            "var": 0.001,
            "std": 0.029
          }
        },
        {
          "uuid": "917b3657-3ddc-5f43-b39f-5d8493282bde",
          "provider": "S2",
          "acquisitionDate": "2025-05-10T10:37:15.656000+00:00",
          "cloudfree": 1,
          "value": {
            "index": "NDVI",
            "min": 0.667,
            "max": 0.854,
            "avg": 0.79,
            "mdn": 0.802,
            "var": 0.002,
            "std": 0.048
          }
        },
        {
          "uuid": "3fc7ed30-677a-5430-a10b-3490d903616c",
          "provider": "L8",
          "acquisitionDate": "2025-05-12T10:21:17.302000+00:00",
          "cloudfree": 1,
          "value": {
            "index": "NDVI",
            "min": 0.746,
            "max": 0.87,
            "avg": 0.814,
            "mdn": 0.833,
            "var": 0.002,
            "std": 0.039
          }
        },
        {
          "uuid": "f3d1bd32-e3c8-5260-ba4c-d84c6a171986",
          "provider": "L9",
          "acquisitionDate": "2025-05-13T10:15:17.115000+00:00",
          "cloudfree": 1,
          "value": {
            "index": "NDVI",
            "min": 0.707,
            "max": 0.85,
            "avg": 0.795,
            "mdn": 0.813,
            "var": 0.002,
            "std": 0.05
          }
        }
      ]
    }
  }
}
```

## مثال 3: متعدد المضلعات مع NDVI على S2/L8/L9 مع نطاقات داخل نافذة 5 أيام

### طلب

```graphql
استعلام GetSatelliteImageryDataByMultiPolygon {
  getSatelliteImageryDataByGeometry(
    input: {
      index: NDVI                # ضع المؤشر هنا
      providers: [S2, L8, L9]      # مزودو الأقمار الصناعية
      startDate: "2025-05-10T00:00:00.000Z"  # للمضلعات: يُفضل 10–15 يومًا؛ مهلة 30 ثانية
      endDate:   "2025-05-15T00:00:00.000Z"
      geojson: "{\"type\": \"MultiPolygon\", \"coordinates\":[ [ [ [ 8.09058546, 50.21774961 ], [ 8.09291004, 50.21836077 ], [ 8.09328559, 50.21844893 ], [ 8.09341412, 50.21777585 ], [ 8.09342329, 50.21768228 ], [ 8.09342736, 50.21748691 ], [ 8.09342239, 50.21741988 ], [ 8.09331503, 50.2169872 ], [ 8.09327725, 50.21680672 ], [ 8.0932114, 50.21679383 ], [ 8.09307662, 50.216784 ], [ 8.09268795, 50.21672443 ], [ 8.09256905, 50.21670175 ], [ 8.09160986, 50.21647789 ], [ 8.09153097, 50.21647138 ], [ 8.09144745, 50.216479 ], [ 8.09128792, 50.21653615 ], [ 8.09124139, 50.21654808 ], [ 8.09119362, 50.21655407 ], [ 8.09085379, 50.21653536 ], [ 8.09039423, 50.21649463 ], [ 8.09006609, 50.21646137 ], [ 8.08994025, 50.21644261 ], [ 8.08956206, 50.21636986 ], [ 8.08937343, 50.21632184 ], [ 8.08881276, 50.21616093 ], [ 8.08860924, 50.21608589 ], [ 8.08848952, 50.21605007 ], [ 8.08841856, 50.21616403 ], [ 8.08836721, 50.2162167 ], [ 8.08830625, 50.21626762 ], [ 8.08801583, 50.21648103 ], [ 8.08783363, 50.21660479 ], [ 8.08757577, 50.21677569 ], [ 8.08741435, 50.21686857 ], [ 8.08769592, 50.21696741 ], [ 8.08853411, 50.21720846 ], [ 8.08965086, 50.2174967 ], [ 8.09058546, 50.21774961 ] ] ] ]}"
      ranges: [
        [0.0, 0.5],
        [0.5, 0.55],
        [0.55, 0.6],
        [0.6, 0.65],
        [0.65, 0.7],
        [0.7, 0.75],
        [0.75, 0.8],
        [0.8, 0.85],
        [0.85, 0.9]
      ]
    }
  ) {
    geojson
    data {
      uuid
      provider
      acquisitionDate
      cloudfree     # 0..1
      value {       # الإحصاءات المحسوبة على بكسلات خالية من السحب فقط
        المؤشر
        min
        max
        avg
        mdn
        var
        std
      }
      ranges {
        value
        coverage   # 0..1
      }
    }
  }
}
```

### الاستجابة

```json
{
  "data": {
    "getSatelliteImageryDataByGeometry": {
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            { "value": [0.85, 0.9], "coverage": 0.0099 }
          ]
        }
      ]
    }
  }
}

```


---

# Agent Instructions
This documentation is published with GitBook. GitBook is the documentation platform designed so that both humans and AI agents can read, navigate, and reason over technical content effectively. Learn more at gitbook.com.

## Querying This Documentation
If you need additional information that is not directly available in this page, you can query the documentation by asking a question.

Perform an HTTP GET request on the following URL with the `ask` and `goal` query parameters:

```
GET https://docs.geopard.tech/geopard-tutorials/ar/wthaeq-wajhh-brmjh-alttbyqat/nzrh-aamh-ala-tlbat-wajhh-brmjh-ttbyqat-geopard/90.-astalam-alhswl-ala-byanat-swr-alaqmar-alsnaayh-hsb-alhndsh.md?ask=<question>&goal=<user_goal>
```

`ask` is the immediate question: it should be specific, self-contained, and written in natural language.
`goal` is what the user is ultimately trying to achieve, the reason they need the answer. Sharing it helps GitBook give you a better, more relevant answer. A goal is most helpful when it describes the outcome the user wants rather than restating the question. For example, with `ask=how do I create an API token`, a goal like `automate deployments from our CI pipeline` lets GitBook tailor the answer to that use case.

The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.
